Curing agent composition for epoxy resins and epoxy resin composition
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 21, 2007
app pub date -
Dec 12, 2006
filing date -
Dec 16, 2005
priority date (Note) -
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Abstract
The present invention relates to a curing agent composition for epoxy resins comprising (A) a polyamine compound which is a reaction product of a compound having at least one glycidyl group in a molecule with a diamine having a specific structure, (B) a polyether-modified polysiloxane having a surface tension in the range of 19 dyne/cm to 25 dyne/cm and (C) an amino group-modified polysiloxane having a total amine value in the range of 150 mgKOH/g to 650 mgKOH/g which can provide excellent curing performances, excellent performances of epoxy resin cured coating films and excellent physical properties of epoxy resin cured products, an epoxy resin composition comprising said curing agent composition for epoxy resins and an epoxy resin cured product obtained by curing said epoxy resin composition.
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